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[What day is it today? | Tohoku Edition] What day is March 13th?
The Seikan Tunnel opened on March 13, 1988, as part of the Kaikyo Line (a JR Hokkaido line connecting Nakaguni Station in Sotogahama, Aomori Prefecture, with Kikonai Station in Kikonai, Hokkaido).






![What day is it today? Tohoku Edition [0310]](https://jp.neft.asia/wp-content/uploads/2026/03/0310-600x420.png)
![What day is it today? Tohoku Edition [0308]](https://jp.neft.asia/wp-content/uploads/2026/02/0308-600x420.png)

![What day is it today? Tohoku Edition [0304]](https://jp.neft.asia/wp-content/uploads/2026/01/0304-600x420.png)
![What day is it today? Tohoku Edition [0227]](https://jp.neft.asia/wp-content/uploads/2026/02/0227-600x420.png)


